code: def testGetAddress1(self):
      from struct import pack, unpack
  
      location = array.array("i", range(10))
      bufptr, _ = location.buffer_info()
      addr = MPI.Get_address(location)
      addr = unpack("P", pack("P", addr))[0]
      self.assertEqual(addr, bufptr)
  
file_path: mpi4py/test/test_address.py
imports: from mpi4py import MPI
  import mpiunittest
  from arrayimpl import array, numpy
label_desc: Use image node_id 1 for calling the TestAddress obj's underlying member method code with example usage: obj.testGetAddress1() without return types